211100220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 684028800

約数和(自身を除く): 472928580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 153, 170, 180, 204, 255, 298, 306, 340, 447, 463, 510, 596, 612, 745, 765, 894, 926, 1020, 1341, 1389, 1490, 1530, 1788, 1852, 2235, 2315, 2533, 2682, 2778, 2980, 3060, 4167, 4470, 4630, 5066, 5364, 5556, 6705, 6945, 7599, 7871, 8334, 8940, 9260, 10132, 12665, 13410, 13890, 15198, 15742, 16668, 20835, 22797, 23613, 25330, 26820, 27780, 30396, 31484, 37995, 39355, 41670, 45594, 47226, 50660, 68987, 70839, 75990, 78710, 83340, 91188, 94452, 113985, 118065, 137974, 141678, 151980, 157420, 206961, 227970, 236130, 275948, 283356, 344935, 354195, 413922, 455940, 472260, 620883, 689870, 708390, 827844, 1034805, 1172779, 1241766, 1379740, 1416780, 2069610, 2345558, 2483532, 3104415, 3518337, 4139220, 4691116, 5863895, 6208830, 7036674, 10555011, 11727790, 12417660, 14073348, 17591685, 21110022, 23455580, 35183370, 42220044, 52775055, 70366740, 105550110, 211100220]

約数ペア:

[(1, 211100220), (2, 105550110), (3, 70366740), (4, 52775055), (5, 42220044), (6, 35183370), (9, 23455580), (10, 21110022), (12, 17591685), (15, 14073348), (17, 12417660), (18, 11727790), (20, 10555011), (30, 7036674), (34, 6208830), (36, 5863895), (45, 4691116), (51, 4139220), (60, 3518337), (68, 3104415), (85, 2483532), (90, 2345558), (102, 2069610), (149, 1416780), (153, 1379740), (170, 1241766), (180, 1172779), (204, 1034805), (255, 827844), (298, 708390), (306, 689870), (340, 620883), (447, 472260), (463, 455940), (510, 413922), (596, 354195), (612, 344935), (745, 283356), (765, 275948), (894, 236130), (926, 227970), (1020, 206961), (1341, 157420), (1389, 151980), (1490, 141678), (1530, 137974), (1788, 118065), (1852, 113985), (2235, 94452), (2315, 91188), (2533, 83340), (2682, 78710), (2778, 75990), (2980, 70839), (3060, 68987), (4167, 50660), (4470, 47226), (4630, 45594), (5066, 41670), (5364, 39355), (5556, 37995), (6705, 31484), (6945, 30396), (7599, 27780), (7871, 26820), (8334, 25330), (8940, 23613), (9260, 22797), (10132, 20835), (12665, 16668), (13410, 15742), (13890, 15198)]